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glibc/config.h.in
Adhemerval Zanella Netto 33237fe83d Remove --enable-tunables configure option 
And make always supported.  The configure option was added on glibc 2.25
and some features require it (such as hwcap mask, huge pages support, and
lock elisition tuning).  It also simplifies the build permutations.

Changes from v1:
 * Remove glibc.rtld.dynamic_sort changes, it is orthogonal and needs
   more discussion.
 * Cleanup more code.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
2023-03-29 14:33:06 -03:00

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/* Define if building with SELinux support. Set by --with-selinux. */
#undef HAVE_SELINUX
/* Defined if building with SELinux support & audit libs are detected. */
#undef HAVE_LIBAUDIT
/* Defined if building with SELinux support & libcap libs are detected. */
#undef HAVE_LIBCAP
/* Define to the assembler line separator character for multiple
assembler instructions per line. Default is `;' */
#undef ASM_LINE_SEP
/* Define if __attribute__((section("foo"))) puts quotes around foo. */
#undef HAVE_SECTION_QUOTES
/* Define if the assembler supports the `.set' directive. */
#undef HAVE_ASM_SET_DIRECTIVE
/* On powerpc64, use overlapping .opd entries. */
#undef USE_PPC64_OVERLAPPING_OPD
/* On powerpc64, use @notoc. */
#undef USE_PPC64_NOTOC
/* On powerpc64, define if the compiler supports -mcpu=power10. */
#undef USE_PPC64_MCPU_POWER10
/* On powerpc*, define if scv should be used for syscalls (when available). */
#undef USE_PPC_SCV
/* Define if _Unwind_Find_FDE should be exported from glibc. */
#undef EXPORT_UNWIND_FIND_FDE
/* Define if static NSS modules are wanted. */
#undef DO_STATIC_NSS
/* Assume that the compiler supports __builtin_expect.
This macro is necessary for proper compilation of code
shared between GNU libc and GNU gettext projects. */
#define HAVE_BUILTIN_EXPECT 1
/* Define if the compiler supports __builtin_memset. */
#undef HAVE_BUILTIN_MEMSET
/* Define if compiler accepts -ftree-loop-distribute-patterns. */
#undef HAVE_CC_INHIBIT_LOOP_TO_LIBCALL
/* Define if compiler accepts -fno-stack-protector in an
__attribute__ ((__optimize__)). */
#undef HAVE_CC_NO_STACK_PROTECTOR
/* The level of stack protection in use for glibc as a whole.
May be overridden on a file-by-file basis. */
#ifndef STACK_PROTECTOR_LEVEL
#undef STACK_PROTECTOR_LEVEL
#endif
/* Define if _rtld_local structure should be forced into .sdata section. */
#undef HAVE_SDATA_SECTION
/* Define if assembler supports z10 zarch instructions as default on S390. */
#undef HAVE_S390_MIN_Z10_ZARCH_ASM_SUPPORT
/* Define if assembler supports z196 zarch instructions as default on S390. */
#undef HAVE_S390_MIN_Z196_ZARCH_ASM_SUPPORT
/* Define if assembler supports z13 zarch instructions as default on S390. */
#undef HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
/* Define if assembler supports arch13 zarch instruction as default on S390. */
#undef HAVE_S390_MIN_ARCH13_ZARCH_ASM_SUPPORT
/* Define if assembler supports vector instructions on S390. */
#undef HAVE_S390_VX_ASM_SUPPORT
/* Define if gcc supports vector registers as clobbers in inline assembly
on S390. */
#undef HAVE_S390_VX_GCC_SUPPORT
/* Define if assembler supports arch13 instructions on S390. */
#undef HAVE_S390_ARCH13_ASM_SUPPORT
/* Define if the compiler\'s exception support is based on libunwind. */
#undef HAVE_CC_WITH_LIBUNWIND
/* Define if the accesses to static and hidden variables in a shared object
need dynamic relocations. */
#undef HIDDEN_VAR_NEEDS_DYNAMIC_RELOC
/* Define this to disable the 'hidden_proto' et al macros in
include/libc-symbols.h that avoid PLT slots in PIE. */
#undef NO_HIDDEN_EXTERN_FUNC_IN_PIE
/* Define this to disable the 'hidden_proto' et al macros in
include/libc-symbols.h that avoid PLT slots in the shared objects. */
#undef NO_HIDDEN
/* Define this to disable in rtld the 'hidden_proto' et al macros in
include/libc-symbols.h that avoid PLT slots in the shared objects. */
#undef NO_RTLD_HIDDEN
/* Define this to disable lazy relocations in DSOs. */
#undef BIND_NOW
/* AArch64 big endian ABI */
#undef HAVE_AARCH64_BE
/* AArch64 BTI support enabled. */
#define HAVE_AARCH64_BTI 0
/* AArch64 PAC-RET code generation is enabled. */
#define HAVE_AARCH64_PAC_RET 0
/* Assembler support ARMv8.2-A SVE.
This macro becomes obsolete when glibc increased the minimum
required version of GNU 'binutils' to 2.28 or later. */
#define HAVE_AARCH64_SVE_ASM 0
/* ARC big endian ABI */
#undef HAVE_ARC_BE
/* C-SKY ABI version. */
#undef CSKYABI
/* C-SKY floating-point instructions. */
#undef CSKY_HARD_FLOAT
/* C-SKY floating-point ABI. */
#undef CSKY_HARD_FLOAT_ABI
/* RISC-V integer ABI for ld.so. */
#undef RISCV_ABI_XLEN
/* RISC-V floating-point ABI for ld.so. */
#undef RISCV_ABI_FLEN
/* LOONGARCH integer ABI for ld.so. */
#undef LOONGARCH_ABI_GRLEN
/* LOONGARCH floating-point ABI for ld.so. */
#undef LOONGARCH_ABI_FRLEN
/* Linux specific: minimum supported kernel version. */
#undef __LINUX_KERNEL_VERSION
/* Linux specific: __LINUX_KERNEL_VERSION as a string. */
#undef __LINUX_KERNEL_VERSION_STR
/* Override abi-tags ABI version if necessary. */
#undef __ABI_TAG_VERSION
/* Mach/Hurd specific: define if mig supports the `retcode' keyword. */
#undef HAVE_MIG_RETCODE
/* Mach specific: define if the `host_page_size' RPC is available. */
#undef HAVE_HOST_PAGE_SIZE
/* Mach/i386 specific: define if the `i386_io_perm_*' RPCs are available. */
#undef HAVE_I386_IO_PERM_MODIFY
/* Mach/i386 specific: define if the `i386_set_gdt' RPC is available. */
#undef HAVE_I386_SET_GDT
/* Define if inlined system calls are available. */
#undef HAVE_INLINED_SYSCALLS
/* Define if memory tagging support should be enabled. */
#undef USE_MTAG
/* Package description. */
#undef PKGVERSION
/* Bug reporting address. */
#undef REPORT_BUGS_TO
/* Define if multi-arch DSOs should be generated. */
#undef USE_MULTIARCH
/* Define if Systemtap <sys/sdt.h> probes should be defined. */
#undef USE_STAP_PROBE
/* Define if library functions should try to contact the nscd daemon. */
#undef USE_NSCD
/* Define if the dynamic linker should consult an ld.so.cache file. */
#undef USE_LDCONFIG
/* Define to 1 if STT_GNU_IFUNC support actually works. */
#define HAVE_IFUNC 0
/* Define if gcc supports attribute ifunc. */
#undef HAVE_GCC_IFUNC
/* Define if CC supports attribute retain. */
#undef HAVE_GNU_RETAIN
/* Define to 1 if the assembler needs intermediate aliases to define
multiple symbol versions for one symbol. */
#define SYMVER_NEEDS_ALIAS 0
/* Define to 1 if libpthread actually resides in libc. */
#define PTHREAD_IN_LIBC 0
/* An integer used to scale the timeout of test programs. */
#define TIMEOUTFACTOR 1
/*
*/
#ifndef _LIBC
/* These symbols might be defined by some sysdeps configures.
They are used only in miscellaneous generator programs, not
in compiling libc itself. */
/* sysdeps/generic/configure.ac */
#undef HAVE_PSIGNAL
/* sysdeps/unix/configure.ac */
#undef HAVE_STRERROR
/* sysdeps/unix/common/configure.ac */
#undef HAVE_SYS_SIGLIST
#undef HAVE__SYS_SIGLIST
#undef HAVE__CTYPE_
#undef HAVE___CTYPE_
#undef HAVE___CTYPE
#undef HAVE__CTYPE__
#undef HAVE__CTYPE
#undef HAVE__LOCP
#endif
/*
*/
#ifdef _LIBC
/* The zic and zdump programs need these definitions. */
#define HAVE_STRERROR 1
/* The locale code needs these definitions. */
#define HAVE_REGEX 1
/* The ARM hard-float ABI is being used. */
#undef HAVE_ARM_PCS_VFP
/* The ARM movw/movt instructions using PC-relative relocs work right. */
#define ARM_PCREL_MOVW_OK 0
/* The pt_chown binary is being built and used by grantpt. */
#define HAVE_PT_CHOWN 0
/* Define if the compiler supports __builtin_trap without
any external dependencies such as making a function call. */
#define HAVE_BUILTIN_TRAP 0
/* ports/sysdeps/mips/configure.in */
/* Define if using the IEEE 754-2008 NaN encoding on the MIPS target. */
#undef HAVE_MIPS_NAN2008
/* The PowerPC64 ELFv2 ABI is being used. */
#undef HAVE_ELFV2_ABI
/* PowerPC32 uses fcfid for integer to floating point conversions. */
#define HAVE_PPC_FCFID 0
/* PowerPC32 uses fctidz for floating point to long long conversions. */
#define HAVE_PPC_FCTIDZ 0
/* Define if PIE is unsupported. */
#undef PIE_UNSUPPORTED
/* Define if static PIE is supported. */
#undef SUPPORT_STATIC_PIE
/* Define if static PIE is enabled. */
#define ENABLE_STATIC_PIE 0
/* The default value of x86 CET control. */
#define DEFAULT_DL_X86_CET_CONTROL cet_elf_property
/* Define if x86 ISA level should be included in shared libraries. */
#undef INCLUDE_X86_ISA_LEVEL
/* Define if -msahf is enabled by default on x86. */
#undef HAVE_X86_LAHF_SAHF
/* Define if -mmovbe is enabled by default on x86. */
#undef HAVE_X86_MOVBE
#endif
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